Fuchsia: Platform specific calls needed to Initialize and Cleanup VM.

runtime/vm/cpuinfo_fuchsia.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_OS_FUCHSIA)
 
 #include "vm/cpuinfo.h"
 
 #include "platform/assert.h"
-
-// TODO(zra): Use "vm/cpuid.h"
+#include "vm/cpuid.h"
 
 namespace dart {
 
 CpuInfoMethod CpuInfo::method_ = kCpuInfoDefault;
 const char* CpuInfo::fields_[kCpuInfoMax] = {0};
 
 void CpuInfo::InitOnce() {
-  UNIMPLEMENTED();
+  // TODO(zra): Add support for HOST_ARCH_ARM64
+#if defined(HOST_ARCH_IA32) || defined(HOST_ARCH_X64)
+  method_ = kCpuInfoCpuId;
+
+  // Initialize the CpuId information.
+  CpuId::InitOnce();
+
+  fields_[kCpuInfoProcessor] = "Processor";
+  fields_[kCpuInfoModel] = "Hardware";
+  fields_[kCpuInfoHardware] = "Hardware";
+  fields_[kCpuInfoFeatures] = "Features";
+#endif
 }
 
 
 void CpuInfo::Cleanup() {
-  UNIMPLEMENTED();
+  if (method_ == kCpuInfoCpuId) {
+    CpuId::Cleanup();
+  }
 }
 
 
 bool CpuInfo::FieldContains(CpuInfoIndices idx, const char* search_string) {
-  UNIMPLEMENTED();
-  return false;
+  if (method_ == kCpuInfoCpuId) {
+    return strstr(CpuId::field(idx), search_string);
+  } else {
+    return false;
+  }
 }
 
 
 const char* CpuInfo::ExtractField(CpuInfoIndices idx) {
-  UNIMPLEMENTED();
-  return "<undefined>";
+  if (method_ == kCpuInfoCpuId) {
+    return CpuId::field(idx);
+  } else {
+    return strdup("");
+  }
 }
 
 
 bool CpuInfo::HasField(const char* field) {
-  UNIMPLEMENTED();
-  return false;
+  if (method_ == kCpuInfoCpuId) {
+    return (strcmp(field, fields_[kCpuInfoProcessor]) == 0) ||
+           (strcmp(field, fields_[kCpuInfoModel]) == 0) ||
+           (strcmp(field, fields_[kCpuInfoHardware]) == 0) ||
+           (strcmp(field, fields_[kCpuInfoFeatures]) == 0);
+  } else {
+    return false;
+  }
 }
 
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_FUCHSIA)